The TIC12400 is an advanced Multiple Switch Detection Interface (MSDI) device designed to detect external switch statuses. The TIC12400 supports 24 direct inputs, with 10 inputs configurable to monitor digital I/O switches. 6 wetting current settings can be programmed for each input to support different application scenarios. The TIC12400 features an integrated 10-bit ADC to monitor multi-position analog switches and a comparator to monitor digital switches independently of the MCU. The device supports wake-up operation on all switch inputs to eliminate the need to keep the MCU active continuously, thus reducing power consumption of the system. The TIC12400 supports 2 modes of operations: continuous and polling mode. In continuous mode, wetting current is supplied continuously. In polling mode, wetting current is turned on periodically to sample the input status based on a programmable timer, thus the system power consumption is significantly reduced. The TIC12400 also offers various fault detection and diagnostic features for improved system robustness.
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|No. of Inputs|
|Operating Voltage (Min) (V)|
|Operating Voltage (Max) (V)|
|I/O Voltage (Min) (V)|
|I/O Voltage (Max) (V)|
|IO Current (mA)|
|Operating Temperature Range (C)|
|Package Size: mm2:W x L (PKG)|
|Logic Voltage (Min) (V)|
|Logic Voltage (Max) (V)|